fix cheatsheet and content nitpicks

Author: nikoshell

package-lock.json

@@ -30,7 +30,7 @@ cd pwndbg
 
 		<p class="instructions">
 			We supports various Linux distributions.<br />
-      Instalation can be down also with standalone packaged binaries.<br />
+      Instalation can be done also with standalone packaged binaries.<br />
 			<strong>Do you want more?</strong> Please check our code repository and hack with us!
 		</p>
 
@@ -39,15 +39,15 @@ cd pwndbg
 			<Card
 				href="https://pwndbg.github.io/pwndbg"
 				title="Documentation"
-				body="Learn how pwndbg works and explore the official API docs."
+				body="Learn how pwndbg works and explore the official docs."
 			/>
 			<Card
 				href="https://github.com/pwndbg/pwndbg/"
 				title="Source Code"
-				body="Supercharge your project with new frameworks and libraries."
+				body="Supercharge your debugging experience."
 			/>
 			<Card
-				href="https://cdn.discordapp.com/attachments/1141077572587892857/1174249242882220114/CheatSheet.pdf"
+				href="/CheatSheet.pdf"
 				title="CheatSheet"
 				body="The most important and commonly used commands for easy reference."
 			/>